30894920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{110339}}^1$

素因数の和:110357

約数の個数: 32

約数和(自身を含む): 79444800

約数和(自身を除く): 48549880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 110339, 220678, 441356, 551695, 772373, 882712, 1103390, 1544746, 2206780, 3089492, 3861865, 4413560, 6178984, 7723730, 15447460, 30894920]

約数ペア:

[(1, 30894920), (2, 15447460), (4, 7723730), (5, 6178984), (7, 4413560), (8, 3861865), (10, 3089492), (14, 2206780), (20, 1544746), (28, 1103390), (35, 882712), (40, 772373), (56, 551695), (70, 441356), (140, 220678), (280, 110339)]